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      09-29-2012, 02:29 PM   #10
surlynkid's Avatar
Drives: 2013 E92 M3
Join Date: Apr 2012
Location: League City, TX

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most common and widely used in europe. as stated, it cuts the engine off at stop lights. starts car back up automatically when you hit the gas. i have heard claims of much better long term gas mileage by using it.
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